CHARLESTON, S.C. -- Seaman Preston Walker, a Coast Guard Reservist from Newport News, Va., fires the Remington 870 12-gauge police shotgun during the Practical Riot Shotgun Course. Walker is a part of the Coast Guard's first Maritime Enforcement Specialist class held at the Maritime Law Enforcement Academy in Charleston, S.C. Maritime Enforcement Specialists are a new job rating and receive over nine weeks of training in maritime law enforcement, anti-terrorism, force protection and physical security. U.S. Coast Guard photo by CWO Scott Carr